diff options
Diffstat (limited to 'src/demultiplex_tilde.c')
-rw-r--r-- | src/demultiplex_tilde.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/src/demultiplex_tilde.c b/src/demultiplex_tilde.c deleted file mode 100644 index 4d78583..0000000 --- a/src/demultiplex_tilde.c +++ /dev/null @@ -1,119 +0,0 @@ -/****************************************************** - * - * zexy - implementation file - * - * copyleft (c) IOhannes m zmölnig - * - * 1999:forum::für::umläute:2004 - * - * institute of electronic music and acoustics (iem) - * - ****************************************************** - * - * license: GNU General Public License v.2 - * - ******************************************************/ - -#include "zexy.h" - -/* ------------------------------------------------------------------------------ */ - -/* demux~ : demultiplex a signal to a specified output */ - -static t_class *demux_class; - -typedef struct _demux { - t_object x_obj; - - int output; - - int n_out; - t_float **out; - -} t_demux; - -static void demux_output(t_demux *x, t_floatarg f) -{ - if ((f>=0)&&(f<x->n_out)){ - x->output=f; - } else - error("demultiplex: %d is channel out of range (0..%d)", (int)f, x->n_out); -} - - -static t_int *demux_perform(t_int *w) -{ - t_demux *x = (t_demux *)(w[1]); - t_float *in = (t_float *)(w[2]); - int N = (int)(w[3]); - int n = N; - - - int channel=x->n_out; - - - while(channel--){ - t_float*out=x->out[channel]; - n=N; - if(x->output==channel){ - while(n--)*out++=*in++; - } else - while(n--)*out++=0.f; - } - return (w+4); -} - -static void demux_dsp(t_demux *x, t_signal **sp) -{ - int n = x->n_out; - t_float **dummy=x->out; - while(n--)*dummy++=sp[x->n_out-n]->s_vec; - dsp_add(demux_perform, 3, x, sp[0]->s_vec, sp[0]->s_n); -} - - -static void demux_helper(void) -{ - post("\n%c demux~\t:: demultiplex a signal to one of various outlets", HEARTSYMBOL); - post("<#out>\t : the outlet-number (counting from 0) to witch the inlet is routed" - "'help'\t : view this"); - post("creation : \"demux~ [arg1 [arg2...]]\"\t: the number of arguments equals the number of outlets\n"); -} - -static void demux_free(t_demux *x) -{ - freebytes(x->out, x->n_out * sizeof(t_float *)); -} - -static void *demux_new(t_symbol *s, int argc, t_atom *argv) -{ - t_demux *x = (t_demux *)pd_new(demux_class); - int i; - - if (!argc)argc=2; - x->n_out=argc; - x->output=0; - - while(argc--)outlet_new(&x->x_obj, gensym("signal")); - - x->out = (t_float **)getbytes(x->n_out * sizeof(t_float *)); - i=x->n_out; - while(i--)x->out[i]=0; - - return (x); -} - -void demultiplex_tilde_setup(void) -{ - demux_class = class_new(gensym("demultiplex~"), (t_newmethod)demux_new, (t_method)demux_free, sizeof(t_demux), 0, A_GIMME, 0); - class_addcreator((t_newmethod)demux_new, gensym("demux~"), A_GIMME, 0); - - class_addfloat(demux_class, demux_output); - class_addmethod(demux_class, (t_method)demux_dsp, gensym("dsp"), 0); - class_addmethod(demux_class, nullfn, gensym("signal"), 0); - - class_addmethod(demux_class, (t_method)demux_helper, gensym("help"), 0); - class_sethelpsymbol(demux_class, gensym("zexy/demultiplex~")); - - zexy_register("demultiplex~"); -} |